Thank you for viewing. This is a used Willie's bass trombone mouthpiece, MUSE B1.7. It was purchased about a year ago and is in 【superb condition】 with no scratches or stains, having only been test-played a few times and then stored. There is, of course, no history of being dropped. When switching from a tenor trombone to a bass trombone, I kept this mouthpiece as a permanent preservation piece, as it is a very valuable mouthpiece that allows you to play with the feel of a tenor trombone. However, I am now a bass trombone specialist, and I no longer plan to play the tenor trombone, so I have decided to let it go. This mouthpiece allows you to play with excellent balance from high to low notes, even on a bass trombone, and I personally like it very much, thinking it is probably the best masterpiece among Willie's mouthpieces. The current regular price is 36,300 yen, and it seems to be a product that is difficult to obtain even if you try to find it in stock. I would like to sell it to those who are looking for this mouthpiece. Also, please understand that this is a used item. Thank you for your understanding. 【MUSE Product Description】 MUSE, newly proposed by Willie's, is a "standard model" proposed by Willie's based on 13 years of mouthpiece manufacturing know-how. It is a mouthpiece designed to be easy for anyone to play, and to allow for more elegant and free performance. Rim Inner Diameter Throat Diameter Cup Depth Shank Total Length B1 28.25 7.9 XD B 82.5 B1.2 28.00 7.2 XD B 82.5 Equivalent to Bach 1G B1.4 27.75 7.2 XD B 82.5 B1.5 27.50 7.2 XD B 82.5 Equivalent to Bach 1-1/4 B1.7 27.25 7.2 XD B 82.5 B2 27.00 7.2 XD B 82.5 Equivalent to Bach 1-1/2 B3 26.50 7.2 XD B 82.5 willie’s Tien Trombone Bass Trombone MUSE Brass instrument Wind instrument Wind instrument Willie's Willie’s